Heavy duty drill shear attachment



FIG. 1 is a perspective view showing my new design heavy duty drill shear attachment;

FIG. 2 is a top plan view;

FIG. 3 is a right side elevational view;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a left side elevational view; and,

FIG. 7 is a bottom plan view.

The broken line drawings of FIG. 1 are for illustrative purposes only to show environment and form no part of the claimed design. 

The ornamental design for a heavy duty drill shear attachment, as shown and described. 